Saw blade



FIG. 1 is a front elevational view of a saw blade the opposite side being a mirror image showing my new design;

FIG. 2 is a left elevational side view showing the saw blade of FIG. 1;

FIG. 3 is a right elevational side view showing the saw blade of FIG. 1;

FIG. 4 is a top view showing the saw blade of FIG. 1; and,

FIG. 5 is a bottom view showing the saw blade of FIG. 1. 

The ornamental design for a saw blade, as shown and described. 